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LM94 Datasheet(PDF) 11 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
No. de pieza LM94
Descripción Electrónicos  TruTherTM Hardware Monitor with PI Loop Fan Control for Server Management
PDF  24 Pages
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Fabricante Electrónico  NSC [National Semiconductor (TI)]
Página de inicio  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM94 Datasheet(HTML) 11 Page - National Semiconductor (TI)

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13.0 Registers (Continued)
Lock
Register Name
Address
Description
EXTENDED RESOLUTION TEMPERATURE VALUE REGISTERS
Z2b_LSB
16h
Zone 2b (CPU2) extended resolution unfiltered temperature
value register, least-significant-byte
Z2b_MSB
17h
Zone 2b (CPU2) extended resolution unfiltered temperature
value register, most-significant byte
Z1a_F_LSB
18h
Zone 1a (CPU1) extended resolution filtered temperature value
register, least-significant byte
Z1a_F_MSB
19h
Zone 1a (CPU1) extended resolution filtered temperature value
register, most-significant byte
Z1b_F_LSB
1Ah
Zone 1b (CPU1) extended resolution filtered temperature value
register, least-significant-byte
Z1b_F_MSB
1Bh
Zone 1b (CPU1) extended resolution filtered temperature value
register, most-significant byte
Z2a_F_LSB
1Ch
Zone 2a (CPU2) extended resolution filtered temperature value
register, least-significant-byte
Z2a_F_MSB
1Dh
Zone 2a (CPU2) extended resolution filtered temperature value
register, most-significant byte
Z2b_F_LSB
1Eh
Zone 2b (CPU2) extended resolution filtered temperature value
register, least-significant-byte
Z2b_F_MSB
1Fh
Zone 2b (CPU2) extended resolution filtered temperature value
register, most-significant byte
Z3_LSB
20h
Zone 3 (Internal) extended resolution temperature value
register, least-significant byte
Z3_MSB
21h
Zone 3 (Internal) extended resolution temperature value
register, least-significant byte
Z4_LSB
22h
Zone 4 (External Digital) extended resolution temperature value
register, most-significant byte
Z4_MSB
23h
Zone 4 (External Digital) extended resolution temperature value
register, least-significant byte
Reserved
24h-30h
PI LOOP AND FAN CONTROL SETUP REGISTERS
x
Temperature Source Select
31h
Selects the temperature source for some temperature zones.
x
PWM Filter Settings
32h
Sets the IIR filter coefficients for the PWM outputs for low
resolution sources
x
PWM1 Filter Shutoff Threshold
33h
PWM1 Filter Shutoff Threshold
x
PWM2 Filter Shutoff Threshold
34h
PWM2 Filter Shutoff Threshold
x
PI/LUT Fan Control Bindings
35h
PI/LUT fan control binding configuration
x
PI Controller Minimum PWM and
Hysteresis
36h
PI Controller Minimum PWM and Hysteresis settings
x
Zone 1 Tcontrol
37h
Zone 1 (CPU1) PI Controller Target Temperature (Tcontrol)
x
Zone 2 Tcontrol
38h
Zone 2 (CPU2) PI Controller Target Temperature (Tcontrol)
x
Zone 1 Toff
39h
Zone 1 (CPU1) PI Controller Off Temperature (Toff)
x
Zone 2 Toff
3Ah
Zone 2 (CPU2) PI Controller Off Temperature (Toff)
x
P Coefficient
3Bh
PI controller proportional coefficient
x
I Coefficient
3Ch
PI controller integral coefficient
x
PI Exponents
3Dh
PI controller coefficient exponents
DEVICE IDENTIFICATION REGISTERS
Manufacturer ID
3Eh
Contains manufacturer ID code
www.national.com
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